<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			*{
				padding:0;
				margin: 0;
				box-sizing: border-box;
			}
			body{
				display: flex;
				justify-content: center;
				align-items: center;
				height: 100vh;
				background: #222;
			}
			.bg{
				width: 200px;
				height: 200px;
				background: #000;
				border-radius: 100px;
				position: relative;
				animation: animate 2s linear infinite;
			}
/* 			@keyframes animate{
				0%{
					transform: rotate(0deg);
				}
				100%{
					transform: rotate(360deg);
				}
			} */
 			.bg::before{
				content: '';
				position : absolute;
				left:0;
				top:0;
				bottom: 0;
				right: 100px;
				background: #fff;
				border-radius: 100px 0 0 100px;
			}
			.bg::after{
				content: '';
				position : absolute;
				left:0;
				top:0;
				bottom: 0;
				right: 0;
				background: #fff;
				border-radius: 50%;
				z-index: -1;
				filter: blur(30px);
			}
			.s{
				width: 100px;
				height: 100px;
				background: #fff;
				position: absolute;
				border-radius: 50%;
				left : 50px;
				top:0;
			}
			.s::before{
				content: '';
				position: absolute;
				left:35px;
				top:35px;
				bottom: 35px;
				right: 35px;
				background: #000;
				border-radius: 50%;
			}
			.x{
				width: 100px;
				height: 100px;
				background: #000;
				position: absolute;
				border-radius: 50%;
				left : 50px;
				bottom:0;
			}
			.x::before{
				content: '';
				position: absolute;
				left:35px;
				top:35px;
				bottom: 35px;
				right: 35px;
				background: #fff;
				border-radius: 50%;
			}
		</style>
	</head>
	<body>
		<div class="bg">
			<div class="s"></div>
			<div class="x"></div>
		</div>
	</body>
</html>
